<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>index.html</title>
<link rel='stylesheet' href='css/index.css'>
</head>
<body>
 <div id='main'>
        <div id="main_title">title</div>
         <div id="main_left">left</div>
          <div id="main_con">content</div>
           <div id="main_adver">adver</div>
            <div id="main_company">company</div>
</div>
</body>
</html>